大约有 32,000 项符合查询结果(耗时:0.0600秒) [XML]
Test if lists share any items in python
...
Short answer: use not set(a).isdisjoint(b), it's generally the fastest.
There are four common ways to test if two lists a and b share any items. The first option is to convert both to sets and check their intersection, as such:
bool(set(a) & set(b))
Because sets are stor...
Is String.Contains() faster than String.IndexOf()?
...
Contains calls IndexOf:
public bool Contains(string value)
{
return (this.IndexOf(value, StringComparison.Ordinal) >= 0);
}
Which calls CompareInfo.IndexOf, which ultimately uses a CLR implementation.
If you want to see how ...
Commands executed from vim are not recognizing bash command aliases
...ell only loads ~/.zshrc for interactive shells, but it loads ~/.zshenv for all shells, so I moved my alias setup there and it now works from within Vim. See man zsh (or your shell's man pages) for more.
– Nathan Long
Feb 8 '14 at 22:52
...
How can I upload fresh code at github?
I have a directory with all my coding projects.
7 Answers
7
...
How to remove/change JQuery UI Autocomplete Helper text?
...he solution is to change to: noResults: '', and you will get no message at all.
– Patrick
Jan 11 '13 at 17:55
...
How to make an enum conform to a protocol in Swift?
Swift documentation says that classes , structs , and enums can all conform to protocols, and I can get to a point where they all conform. But I can't get the enum to behave quite like the class and struct examples:
...
Is there any significant difference between using if/else and switch-case in C#?
...'switch' statement)- which is O(1).
C# (unlike many other languages) also allows to switch on string constants - and this works a bit differently. It's obviously not practical to build jump tables for strings of arbitrary lengths, so most often such switch will be compiled into stack of IFs.
But ...
jar not loaded. See Servlet Spec 2.3, section 9.7.2. Offending class: javax/servlet/Servlet.class
...m running a Maven project which is also a dynamic web project. I have used all Spring libraries in Maven. I created web.xml , but when I start my Tomcat 7 server I am getting the following message:
...
How to determine if a point is in a 2D triangle? [closed]
...uction, and division is much, much, slower. Numeric issues are also much smaller, due to no division! all calculations are exact. Thanks, Rick
– user252020
Jan 16 '10 at 4:57
4
...
proper hibernate annotation for byte[]
...ses the JPA @Lob annotation, and hibernate 3.1 can read these just fine on all major databases -- it seems to hide the JDBC Blob vendor peculiarities (as it should do).
...
